<template>
    <view>
        <view class="search-box">
            <my-search @my-click="gotoSearch" :bgcolor="'#d81e06'"></my-search>
        </view>
        <!-- 轮播图 
            usw+Tab键 快速生成轮播图模板
            :circular 衔接属性 (循环)
        -->
        <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
            <swiper-item v-for="(item , i) in swiperList" :key="i">
                <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id">
                    <!-- 动态绑定图片的src属性-->
                    <image :src="item.image_src"></image>
                </navigator>
            </swiper-item>
        </swiper>

        <!-- 分类导航-->
        <view class="nav-list">
            <view class="nav-item" v-for="(item , i) in navList" :key="i" @click="navClickHandler(item)">
                <image :src="item.image_src" class="nav-img"></image>
            </view>
        </view>

        <!-- 楼层区域-->
        <view class="floor-list">
            <view class="floor-item" v-for="(item , i) in floorList" :key="i">
                <!-- 标题-->
                <image :src="item.floor_title.image_src" class="floor-title"></image>

                <!-- 楼层图片区域-->
                <view class="floor-img-box">
                    <!-- 左侧大图盒子-->
                    <navigator class="left-img-box" :url="item.product_list[0].url">
                        <image :src="item.product_list[0].image_src"
                            :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
                    </navigator>
                    <!-- 右侧小图盒子-->
                    <view class="right-img-box">
                        <navigator class="right-img-item" v-for="(item2 , i2) in getFilterFloorList(item.product_list)"
                            :key="i2" :url="item2.url">
                            <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}">
                            </image>
                        </navigator>
                    </view>
                </view>

            </view>
        </view>

    </view>
</template>

<script>
    import badgeMix  from '../../mixins/tabbar-badge.js';
    
    export default {
        mixins: [badgeMix],
        data() {
            return {
                swiperList: [],
                navList: [],
                floorList: []
            };
        },
        onLoad() {
            this.getSwiperList()
            this.getNavList()
            this.getFloorList()
            
            // console.log(this.username);    
        },
        methods: {
            async getSwiperList() {
                const res = await uni.$http.get('/api/public/v1/home/swiperdata')
                // console.log(res)
                // 处理请求失败的情况
                if (res.data.meta.status !== 200)
                    return uni.$showMsg()
                // console.log(res.data.message)
                this.swiperList = res.data.message
            },
            async getNavList() {
                const {
                    data: res
                } = await uni.$http.get("/api/public/v1/home/catitems")
                // console.log(res)
                if (res.meta.status !== 200) return uni.$showMsg()
                this.navList = res.message
            },
            navClickHandler(item) {
                if (item.name === '分类')
                    // 跳转 tabbar
                    uni.switchTab({
                        url: '/pages/cate/cate'
                    })
            },
            async getFloorList() {
                const {
                    data: res
                } = await uni.$http.get('/api/public/v1/home/floordata')
                if (res.meta.status !== 200)
                    return uni.$showMsg()
                // 请求成功处理URL地址 , 并且拼接参数
                res.message.forEach(floor => {
                    floor.product_list.forEach(prod => {
                        prod.url = "/subpkg/goods_list/goods_list?" + prod.navigator_url.split('?')[
                            1];
                    })
                })

                this.floorList = res.message
            },
            getFilterFloorList(list) {
                return list.filter((e, i) => i !== 0)
            },
            gotoSearch() {
                uni.navigateTo({
                    url: '/subpkg/search/search'
                })
            }
        }

    }
</script>

<style lang="scss">
    swiper {
        height: 330rpx;

        /*轮播图*/
        .swiper-item,
        image {
            width: 100%;
            height: 100%;
        }
    }

    /* 分类导航*/
    .nav-list {
        display: flex;
        justify-content: space-around;
        margin: 15px 0;
    }

    .nav-img {
        width: 128rpx;
        height: 140rpx;
    }

    /* 楼层标题 */
    .floor-title {
        height: 60rpx;
        width: 100%;
        display: flex;
    }

    /* 楼层图片*/
    .right-img-box {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .floor-img-box {
        display: flex;
        padding-left: 10rpx;
    }

    .search-box {
        position: sticky;
        top: 0;
        z-index: 999;
    }
</style>
